1. Prevalence of HPV infection among females in the United States;Dunne;JAMA,2007
2. Chapter 2:the burden of HPV-related cancers;Parkin;Vaccine,2006
3. Centers for Disease Control and Prevention. FDA licensure of bivalent human papillomavirus vaccine (HPV2, Cervarix) for use in females and updated HPV vaccination recommendations from the advisory committee on immunization practices (ACIP). MMWR Report 2010; 59(20): 613–648.
4. Centers for Disease Control and Prevention. National, state, and local area vaccination coverage among adolescents aged 13–17 years-United States, 2010. Morbidity & Mortality Weekly Report 2011; 60: 1117–1123.
5. U.S. Department of Health and Human Services. Office of disease prevention and health promotion. Healthy People 2020. Washington, D.C. Available at http://www.healthypeople.gov/2020/default.aspx (accessed January 11, 2011).